Math, asked by hansraj22feb, 6 months ago

5.
Find the following products :
(a) (a + 3b) (a²-3ab + 9b square) (b) (25x²+15xy+9y square (5x-3x)

Answers

Answered by AarchiChhabria

5

Answer:

A.

(a+3b)(a²-3ab+9b²)

a³-3a²b+9ab²+3a²b-9ab²+27b³

a³+27b³

(a)³+ (3b)³

B.

(25x²+15xy+9y²)(5x-3y)

125x³+75x²y-45xy²-75x²y-45xy²-27y³

125x³-27y³

(5x)³- (3y)³

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