Math, asked by advd132, 1 year ago

If a+b=11 ab=28 find value of a³+b³

Answers

Answered by charuvarshinim

0

I can't answer the question

Answered by MOSFET01

3

a³+b³= (a+b)(a²-ab+b²)

=> (a+b)[(a+b)²-2ab-ab]

==> (11)[(11)²-3×28]

==> (11)[121-84]

==> (11)[37]

==> 407

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