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VAIBHAV KALVAKOTA from THE LEXICON INTERNATIONAL SCHOOL WAGHOLI, PUNE
Subject :NSO    Class : Class 8

If p * q = p2 - q2
p $ q = p2 + q2
p @ q = pq + p + q
If p = 11 and q = 7, then the value of
[(p * q) @ (p $ q)]

(a) 12492
(b) 14282
(c) 14292
(d) 12482


can you givea better explanation

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