solve (√5+√7) (√5-√7)
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(√5)^2-(√7)^2=5-7=-2
Anonymous:
got it
im kinda poor in maths
Answered by
1
(√5+√7) (√5-√7)
(a-b)(a+b)
=5-7
=-2answer.
(a-b)(a+b)
=5-7
=-2answer.
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