Advertisements
Advertisements
प्रश्न
Find the product.
(x + 7y) (7x − y)
उत्तर
(x + 7y) (7x − y)
= x (7x − y) + 7y (7x − y)
= 7x2 − xy + 49xy − 7y2
= 7x2 + 48xy − 7y2
APPEARS IN
संबंधित प्रश्न
Multiply the binomials.
(2x + 5) and (4x − 3)
Multiply the binomials.
(2.5l − 0.5m) and (2.5l + 0.5m)
Multiply the binomials.
(2pq + 3q2) and (3pq − 2q2)
Find the product.
(a2 + b) (a + b2)
Multiply the monomial by the binomial and find the value for x = −1, y = 0.25 and z = 0.05:
xz(x2 + y2)
Find the product of the following binomial: (a2 + bc)(a2 − bc)
Find the product of the following binomial: \[\left( \frac{4x}{5} - \frac{3y}{4} \right)\left( \frac{4x}{5} + \frac{3y}{4} \right)\]
Find the product of the following binomial: \[\left( x^4 + \frac{2}{x^2} \right)\left( x^4 - \frac{2}{x^2} \right)\]
Using the formula for squaring a binomial, evaluate the following: (99)2
Multiply the following:
b3, 3b2, 7ab5
