Advertisements
Advertisements
प्रश्न
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2ax + 1
योग
Advertisements
उत्तर
We have,
a2x2 + 2ax + 1
= (ax)2 + 2 × ax × 1 + (1)2
= (ax + 1)2
= (ax + 1)(ax + 1)
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
Use a suitable identity to get the following products.
(x + 3) (x + 3)
Simplify (4m + 5n)2 + (5m + 4n)2
Using identities, evaluate (5.2)2
Using identities, evaluate 1.05 × 9.5
Using a2 − b2 = (a + b) (a − b), find (1.02)2 − (0.98)2
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 98
Use an expansion formula to find the value.
(97)2
Use the formula to multiply the following.
(a + 6) (a − 6)
(x2 + y2)(y2 + x2) = (x2 + y2)2
Factorise the following using suitable identity
36m2 + 60m + 25
