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The order and degree of the differential equation √sinx (dx + dy) = √cosx (dx – dy) is

1) (1, 2) 2) (2, 2) 3) (1, 1) 4) (2, 1) Solution: (3) (1, 1) \(\begin{array}{l}\begin{array}{l} \sqrt{\sin x} d... View Article

1) 2 2) 4 3) 6 4) None of these Solution: (2) 4 It is a fundamental concept.

1) dy / dx = y 2) d2y / dx2 = y 3) (d2y / dx2) + y = 0... View Article

1) xy = cyx 2) xy = c 3) (xy)x = c 4) None of these Solution: (1) xy =... View Article

1) y = 1 / x2 2) y = 1 / y2 3) x = 1 / y 4) x... View Article

1) order 1, degree 3 2) order 2, degree 2 3) degree 3, order 3 4) degree 4, order 4... View Article

1) y = 2 2) y = 2x 3) y = 2x – 4 4) y = 2x2 – 4... View Article

1) xy + y log x = c 2) xy + x sin y = c 3) xy + y... View Article

1) y = log x + cx 2) y + 1 + log x = cx 3) y + cx... View Article

1) cos (y / x) = c 2) log (y / x) + log x = c 3) log (y... View Article

1) tan (y / x) + log x = c 2) log (x / y) + log x = c... View Article

1) y = (1 / 2) x2 + x + c 2) log (y + 1) = (1 / 2)... View Article

1) log (x / y) + (1 / xy) = c 2) log (x / y) = c 3) log... View Article

1) ey (x + 1) = c 2) ey (x + 1) = ex + c 3) ey (x +... View Article

CNA 22nd June 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND... View Article

Two sets A and B are as under : A = {(a,b) ∈R×R:|a-5| < 1 and |b-5| < 1} B... View Article

a) -2√2 b) 2√2 c) 3 d) -3 Solution: f(x) = x2+(1/x2) = (x-(1/x))2+2 g(x) = x-(1/x) Put x-(1/x) =... View Article

a) 1/5 b) 3/4 c) 3/10 d) 2/5 Solution: From total Probability Theorem P (R) = (4/10)×(1/2)+(6/10) × (4/12) =... View Article

a) 8/9 b) 20/9 c) 2/3 d) 13/9 Solution: 8cos x(cos ((π/6)+x). cos ((π/6)-(1/2))-(1/2)) = 1 8.cos x[(cos (π/3)+ cos... View Article

a) contains exactly two elements. b) contains exactly four elements. c) is an empty set. d) contains exactly one element.... View Article