49asquare-42ab+9bsquare
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Answered by
5
Hello dear.....here is your answer
49a^2-42ab+9b^2
(7a)^2-2×7a×3b+(3b)^2
(7a-3b)^2
hope it helps...plzz mark as brainliest
49a^2-42ab+9b^2
(7a)^2-2×7a×3b+(3b)^2
(7a-3b)^2
hope it helps...plzz mark as brainliest
Answered by
5
=> 49a²-42ab+9b²
=> (7a)² -2(21ab) + (3b)²
_____________
As we can see the formula,
(a-b)² = a²-2ab +b²
______________
=> (7a)² -2(7×3×ab) +(3b)²
=> (7a-3b)²
I hope this will help you
-by ABHAY
=> (7a)² -2(21ab) + (3b)²
_____________
As we can see the formula,
(a-b)² = a²-2ab +b²
______________
=> (7a)² -2(7×3×ab) +(3b)²
=> (7a-3b)²
I hope this will help you
-by ABHAY
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