Advertisements
Advertisements
प्रश्न
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 12x + 36
योग
Advertisements
उत्तर
We have,
x2 + 12x + 36
= x2 + 2 × 6 × x + 62
= (x + 6)2 ...[∵ a2 + 2ab + b2 = (a + b)2]
= (x + 6)(x + 6)
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३४]
APPEARS IN
संबंधित प्रश्न
Simplify (ab + bc)2 − 2ab2c
Using identities, evaluate 992
Using identities, evaluate 1022
Which of the options given below is the square of the binomial `(8-1/"x")`?
Use the formula to multiply the following.
`(x/5+6)(x/5-6)`
Expand: (10 + y)2
Factorise the following using suitable identity
y2 + 20y + 100
The sum of areas of two squares with sides 4a and 4b is ______.
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
16x2 + 40x + 25
