(√7+√4)( √7-√4)
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Answer:
Step-by-step explanation:
(√7+√4)(√7-√4)
THIS COULD BE SOLVED USING THE IDENTITY :
(A+B)(A-B) = A²-B²
HERE:
A = √7 AND B = √3.
(√7+√4)(√7-√4) = (√7)²-(√4)² (√A)² = A
= 7-4
= 3.
HOPE THIS HELPS.
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