Math, asked by shivasingh36795, 4 months ago

simlify (4+√5) (4-√5)

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Answered by shreya200517

1

Answer:

4²-✓5²

16-5

=11 .........….

Answered by anshudiya5

1

Answer:

answer is 11.

Step-by-step explanation:

(4+√5)(4-√5)

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

4^2-√5^2= 16-5=11

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