Question

Simplify: (√3+√7) (√3-√7)​

Answer 1

Answer:

-4

Step-by-step explanation:

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Answer 2

Answer:

-4

Explanation:

To simplify:

(√3+√7) (√3-√7)​

Proof:

= (√3+√7) (√3-√7)​

= $(\sqrt{3})^{2} - (\sqrt{7} )^{2}$                                         [ Identity: (a+b) (a-b) = $a^{2} -b^{2}$ where                                                                        a = √3 & b =√7 ]

= 3- 7                                                         [ $(\sqrt{3} )^{2}$ = 3 , $(\sqrt{7} )^{2}$ = 7 ]

= -4

Hence, proved.

Hope you got that.

Thank You.