if p=12,q=3,then the value of (2p+3q)(5p+9q)(p-q) is. (a) 24389. (b) 25839. (c) 25679. (d) 24539.
faiz8476:
b [ 258389]
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Ans B
=(2*12+3*3)(5*12+9*3)(12-3)
=(24+9)(60+27)(9)
=(33)(87)(9)
=25839
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