Simplification of an Expression
Trending Questions
Q.
Solve the following equation and check your results:
Q.
If , then the value of is
Q.
Evaluate using suitable identities
Q. Using arithmetic identity find the square of 87.
Q. Find the square of 101 using an appropriate algebraic identity.
- 10001
- 10201
- 10101
- 20102
Q. Expand :
[√3x−√25y]2
[√3x−√25y]2
- 3x2−25√6x+225
- 3x−2√6x y5+225y2
- 3x2−√6x+425
- x2−25√6x+425
Q.
Evaluate the following without actual multiplication :
Q.
Question 84 (c)
Simplify and express each of the following in exponential form.
(37÷35)4
Q.
Find the square of using identity
Q. If x−1x=−1. Find value of x2+(1x)2.
- 1
- 2
- 4
- 3
Q.
Find the following squares by using the identities .
Q. If 35x+9=33, what is the value of x?
- 20
- -20
- -40
- 40
Q. Question 6(ix)
Using identities, evaluate:
1.05×9.5
Using identities, evaluate:
1.05×9.5
Q.
Simplify :
Q. Question 3
5x + 9 = 5 + 3x
5x + 9 = 5 + 3x
Q.
3a−[4a−¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯3a−5b−3{2a−(3a−¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯2a−3b)}] equals
−a−14b
5a−14b
5a+14b
−a+14b
Q.
Question 44
State whether the following statement is true (T) or false (F).
If 6x=18, then 18x=54.
Q. If 352−272=8a,
then find the value of a.
then find the value of a.
- 62
- 52
- 42
- 56
Q. If a=6p and b=3p,
then find the expansion of
(a+b)2+(a−b)2.
then find the expansion of
(a+b)2+(a−b)2.
- 72p2−18q2
- 72p2+18q2
- 18p2+72q2
- 18p2−72q2
Q. Simplify the following expressions
(5+√7)(2+√5)
(5+√7)(2+√5)
Q. If a=6p and b=3p,
then find the expansion of
(a+b)2+(a−b)2.
then find the expansion of
(a+b)2+(a−b)2.
Q. Solve the expression using BODMAS rule: 3x(x−2)+x(x2×2x)−12x
- 2x5−3x2−18x
- 2x5+3x2−18x
- 2x5+3x2+18x
- −2x5−3x2−18x
Q.
−2(1−m2)−4{m2−(2−m2)}=______.
6m2+6
−6m2−6
6m2+6
−6m2+6
Q. Verify that x3+y3+z2−3xy2=12(x+y+z)[(zx−y)2+(y−z)2+(z−x)2]
Q.
When we factorise y2+xy+yz+xz, one of the factor is _____________
1/2(x2+2x+3)
1/2
(x2+2x+3)
1
Q. Simplify each of the following products:
(x2−25)(25−x2)−x2+2x
(x2−25)(25−x2)−x2+2x
Q. The famous Shakesperean phrase "To be or not to be" gives the output "Gb or be abg gb or" when entered into a machine that creates codes. If the name "William Shakespeare" was the input, what would be the output?
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1550606/original_Slide_14-01.png)
"Gb or be abg gb or"
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1550606/original_Slide_14-01.png)
"Gb or be abg gb or"
Q. Express as a power of a rational number with positive exponent 86×8−5
Q. Divide :
(i) 9m5+12m4−6m2 by 3m2
(ii) 24x3y+20x2y2−4xy by 2xy
(i) 9m5+12m4−6m2 by 3m2
(ii) 24x3y+20x2y2−4xy by 2xy