Math, asked by anbuselvan007, 2 months ago

value of (a+b)^3+(a-b)^3​

Answers

Answered by MJRISHWANTH
4

Answer:

a-b=3…………..(1) and ab=4…. ……..(2)

Squaring both side eq.(1)

a2+b^2–2ab=9

a^2+b^2–2×4=9

a^2+b^2=17………….(3)

a^3-b^3=(a-b)(a^2+b^2+ab)

= (3) ×(17 +4)

=3×21

=63 , Answer.

Step-by-step explanation:

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