Select and write the most appropriate alternative from those given in the bracket. 1 . The value of (4 + √3 ) (4 - √3 ) is ……..(1, 7, 13, 19 )
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Answer:
13
It is of the form (a + b)(a-b)
(a + b) (a -b) = a^2 - b^2
Answer is 4^2 - √3^2 = 16 - 3 = 13
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