Math, asked by rayanflute, 1 month ago

Q7) Evaluate a² + ab + b²c , if a=-2 , b=-1 ,e=-4

Answers

Answered by divyajadhav66

8

Answer:

4.6×5.4

=(5−0.4)×(5+0.4)

=[52−(0.4)2](∵(a+b)(a−b)=a2−b2)

=25−0.16

=24.84

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