Advertisements
Advertisements
प्रश्न
Simplify.
(a + b) (c − d) + (a − b) (c + d) + 2 (ac + bd)
Advertisements
उत्तर
(a + b) (c − d) + (a − b) (c + d) + 2 (ac + bd)
= a (c − d) + b (c − d) + a (c + d) − b (c + d) + 2 (ac + bd)
= ac − ad + bc − bd + ac + ad − bc − bd + 2ac + 2bd
= (ac + ac + 2ac) + (ad − ad) + (bc − bc) + (2bd − bd − bd)
= 4ac
APPEARS IN
संबंधित प्रश्न
Simplify.
(x2 − 5) (x + 5) + 25
Simplify.
(x + y) (x2 − xy + y2)
Simplify.
(1.5x − 4y) (1.5x + 4y + 3) − 4.5x + 12y
Write the following square of binomial as trinomial: (x + 2)2
Write the following square of binomial as trinomial: (8a + 3b)2
Write the following square of binomial as trinomial: \[\left( \frac{x}{y} - \frac{y}{x} \right)^2\]
Write the following square of binomial as trinomial: (a2b − bc2)2
Write the following square of binomial as trinomial: (x2 − ay)2
Multiply the following:
–7st, –1, –13st2
Multiply the following:
`3/2 p^2 + 2/3 q^2, (2p^2 - 3q^2)`
