How can i do (3c-5d) (5c-3d) with the formula of (a+b)2 (A Plus B Whole Square)
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Answered by
1
Answer:
a,b,c,d are in proportion
⇒ad=bc
Now
LHS:
(5a+7b)(2c−3d)
=10ac−15ad+14bc−21bd
=10ac−21bd−ad
RHS
(5c+7d)(2a−3b)
=10ac−15bc+14ad−21bd
=10ac−21bd−ad
⇒LHS=RHS
Answered by
1
Answer:
I hope you understand
okay bye
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