If P = 5 + \(\sqrt 2 \) then the value of P2 is
Solution
Correct Answer: Option C
দেওয়া আছে, P = 5 + \(\sqrt 2 \)
=> (P)2 = (5 + \(\sqrt 2 \))2 [ বর্গ করে ]
=> P2 = 5 + 2 \( \times \) 5 \( \times \) \(\sqrt 2 \) + \({(\sqrt 2 )^{2\;}}\) [ (a + b)2 = a2 + 2ab + b2 ]
=> P2 = 25 + 10\(\sqrt 2 \) + 2
=> P2 = 27 + 10\(\sqrt 2 \)
p2 = 27 + 10\(\sqrt 2 \)
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