Advertisements
Advertisements
प्रश्न
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 30x + 25
Advertisements
उत्तर
We have,
9x2 + 30x + 25
= (3x)2 + 2 × 3x × 5 + 52
= (3x + 5)2
= (3x + 5)(3x + 5)
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
(2y + 5) (2y + 5)
Find the following squares by suing the identities
(0.4p − 0.5q)2
Simplify (7m − 8n)2 + (7m + 8n)2
Simplify (2.5p − 1.5q)2 − (1.5p − 2.5q)2
Use an expansion formula to find the value.
(997)2
Use an expansion formula to find the value.
(97)2
Expand the following square, using suitable identities
(mn + 3p)2
Factorise the following using suitable identity
36m2 + 60m + 25
The difference of the squares of two consecutive numbers is their sum.
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2abxy + b2y2
