Advertisements
Advertisements
प्रश्न
Expand the following, using suitable identities.
(x2 + y2)(x2 – y2)
Advertisements
उत्तर
We have,
(x2 + y2)(x2 – y2) = (x2)2 – (y2)2 ...[Using the identity, (a + b)(a – b) = a2 – b2]
= x4 – y4
APPEARS IN
संबंधित प्रश्न
Show that (9p - 5q)2 + 180pq = (9p + 5q)2
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: 9.8 × 10.2
Simplify the following using the identities: 178 × 178 − 22 × 22
Find the following product: \[\left( z + \frac{3}{4} \right)\left( z + \frac{4}{3} \right)\]
Evaluate the following: 34 × 36
Simplify:
(3x + 2y)2 + (3x – 2y)2
Simplify:
(a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – ab)
Expand the following, using suitable identities.
`((2x)/3 - 2/3)((2x)/3 + (2a)/3)`
Using suitable identities, evaluate the following.
(1005)2
Carry out the following division:
76x3yz3 ÷ 19x2y2
