Math, asked by rashmi7340, 2 months ago

Show that: (6a – 3b)

2

+ 72ab = (6a + 3b)2

.

Answers

Answered by lakshay5616

1

Answer:

72ab*6a+72ab*3b

432ab+216ab

648ab

Answered by hitendrasinghparihar

0

Answer:

mark me as brainliest

Step-by-step explanation:

(6a-3b) ²+72ab

=(6a)²+(3b)²-2(6a)(3b) +72ab

=36a²+9b²-36ab+72ab

=36a²+9b²+36ab

=(6a+3b)²

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