using identity find
(4x+3y)^2
Answers
Answered by
17
Answer:
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Identity :-
✔(A + B)² = A² + B² + 2AB
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➡(8X + 3Y)²
➡(8X)² + (3Y)² + 2 × 8X × 3Y
➡64X² + 9Y² + 48XY
******
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Answered by
3
Answer:
16x²+9y²+4z²-24xy+12yz-16zx
Step-by-step explanation:
Identity: (a+b+c)²=a²+b²+c²+2ab+2bc+2ca
(4x-3y-2z)²=(4x)²+(-3y)²+(-2z)²+2(4x)(-3y)+2(-3y)(-2z)+2(4x)(-2z)
=16x²+9y²+4z²-24xy+12yz-16zx
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