Physics, asked by ab7228164, 4 months ago

6. Prove that :
(A + 2B).(2A-3 B ) = 2 A+ AB cos 0 - 6B2.

Answers

Answered by ankitrawat16

0

Answer:

A(2A-3B)+2B(2A-3B)

2A^2-3AB+4AB-6B^2

2A^2+AB-6B^2

khushiibansall: where is the cos thetha

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