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प्रश्न
Multiply:
(4x + 5y) × (9x + 7y)
उत्तर
(4x + 5y) × (9x + 7y)
= 4x(9x + 7y) + 5y(9x + 7y)
= 4x × 9x + 4x × 7y + 5y × 9x + 5y × 7y
= 36x2 + 28xy + 45xy + 35y2
= 36x2 + 73xy + 35y2
संबंधित प्रश्न
Find each of the following product: \[\left( \frac{7}{9}a b^2 \right) \times \left( \frac{15}{7}a c^2 b \right) \times \left( - \frac{3}{5} a^2 c \right)\]
Find the following product:
−11y2(3y + 7)
Find the following product: \[\frac{7}{5} x^2 y\left( \frac{3}{5}x y^2 + \frac{2}{5}x \right)\]
Find the following product: \[\frac{4}{3}a( a^2 + b^2 - 3 c^2 )\]
Multiply \[- \frac{3}{2} x^2 y^3 by (2x - y)\] and verify the answer for x = 1 and y = 2.
Simplify: 3a2 + 2(a + 2) − 3a(2a + 1)
Multiply:
(x2 + y2) by (3a + 2b)
Find the following product and verify the result for x = − 1, y = − 2:
(3x − 5y) (x + y)
Find the following product and verify the result for x = − 1, y = − 2:
(x2y − 1) (3 − 2x2y)
Simplify:
(x2 − 2y2) (x + 4y) x2y2
