Advertisements
Advertisements
प्रश्न
Use a suitable identity to get the following products.
(a2 + b2) (− a2 + b2)
Advertisements
उत्तर
(a2 + b2) (− a2 + b2) = (b2 + a2) (b2 − a2)
= (b2)2 − (a2)2 [(a + b) (a − b) = a2 − b2]
= b4 − a4
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Use a suitable identity to get the following products.
(1.1m − 0.4) (1.1 m + 0.4)
Simplify (4m + 5n)2 + (5m + 4n)2
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 98
Factorise the following using suitable identity
y2 + 20y + 100
If a + b = 5 and a2 + b2 = 13, then ab = ?
(a + b)2 = a2 + b2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 6x + 9
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2ax + 1
Factorise the following.
x2 + 9x + 20
Verify the following:
(7p – 13q)2 + 364pq = (7p + 13q)2
