Advertisements
Advertisements
प्रश्न
Expand the following, using suitable identities.
(x2y – xy2)2
Advertisements
उत्तर
We have,
(x2y – xy2)2 = (x2y)2 + (xy2)2 – 2x2y × xy2 ...[Using the identity, (a – b)2 = a2 + b2 – 2ab]
= x4y2 + x2y4 – 2x3y3
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: (82)2 − (18)2
Simplify the following using the identities: 1.73 × 1.73 − 0.27 × 0.27
Using algebraic identity, find the coefficients of x2, x and constant term without actual expansion
(x + 5)(x + 6)(x + 7)
Multiply the following:
(3x2 + 4x – 8), (2x2 – 4x + 3)
Multiply the following:
(2x – 2y – 3), (x + y + 5)
Expand the following, using suitable identities.
`(4/5p + 5/3q)^2`
Expand the following, using suitable identities.
(7x + 5)2
Using suitable identities, evaluate the following.
(98)2
Carry out the following division:
–121p3q3r3 ÷ (–11xy2z3)
