p + q = 5 এবং p - q = 3 হলে p2 + q2 এর মান কত?
Solution
Correct Answer: Option B
দেওয়া আছে,
p + q = 5
এবং p - q = 3
: p2 + q2 = (p + q)2 + (p - q)2/2
=52 + 32/2
= 25 + 9 / 2
=34 / 2
=17
p + q = 5
এবং p - q = 3
: p2 + q2 = (p + q)2 + (p - q)2/2
=52 + 32/2
= 25 + 9 / 2
=34 / 2
=17
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