Q. Form the differential equation of the family of circles having centre on y-axis and radius 3 units
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Q. Given that the two numbers appearing on throwing two dice are different. Find the probability of the event ' the sum of numbers on the dice is 4'.
Mathematics Part-II
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Q. Define collinear vectors.
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Q. Evaluate ∫2/30dx(4+9x2)
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Q.Which rules did he break as a school boy?
Mathematics Part-II
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Q. Find the position vector of a point R which divides the line joining two points P and Q whose position vectors are ^i+2^j−^k and −^i+^j+^k respectively in the ratio 2:1
(i) Internally (ii) externally
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Q. If P(A)=35 and P(B)=15, then find P(A∩B), if A and B are independent events.
KA Board
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Q. Let ∗ be the binary operation on N given by a∗b= LCM of a and b. Find 5∗720∗16
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Q. Drive the equation of a plane perpendicular to a given vector and passing through a given point both in vector and Cartesian form.
KA Board
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Q. Find the principle value of cosec−1(−√2)
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Q. Define feasible region in LPP.
KA Board
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Q. Find the probability distribution of number of heads in two tosses of a coin.
KA Board
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Q. Find the approximate change in the volume of a cube of a side x meters caused by increasing the side by 3%.
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Q.What was the consequence of buying jalebis with the fees money?
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Q. If A is a square matrix with |A|=8. Find the value of ∣∣AA−1∣∣.
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Q. The probability that a bulb produced by a factory will fuse after 150 days of use is 0.05. Find the probability that out of 5 such bulbs. (i) none (ii) not more than one (iii) more than one (iv) at least one will fuse after 150 days of use.
Mathematics Part-II
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Q. Let f:N→R be defined by f(x)=4x2+12x+15. show that f:N→S where S is the range of fuction f, is invertible. Also find the inverse of f.
KA Board
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Q. Find the values of K if Area of the triangle is 4 sq. units and vertices are (k0)(40)(02) using determinants.
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Q. Using integration find the area of the triangular region whose sides have the equations y=2x+1, y=3x+1 and x=4
Mathematics Part-II
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Q. If :R→R defined by f(x)=1+x2, then show that f is neither 1−1 nor onto
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Q. If ax+by2=cosy, find dydx.
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Q. Integrate ∫tan4√xsec2√x√xdx with respect to x.
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Q. Solve the equation tan−1(1−x1+x)=12tan−1x, x>0
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Q. Find the order and degree of the differential equation (dydx)2+dydx−sin2y=0
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Q. Find the area of the parallelogram whose adjacent sides are determined by the vector. →a=^i−^j−3^k and →b=2^i−7^j+^k
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Q. Find the direction collinear of a line which makes equal angles with the positive co-ordinate axes.
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Q. If y=cos√x find dydx
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Q. Show that: sin−1(2x√1−x2)=2cos−1x, 1√2≤x≤1
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Q. Construct 2×2 matrix A=∣∣aij∣∣ where elements are given by aij=ij