1.

Find the product of 9pqr(2p^2q-3q^2r)​

Answer»

Step-by-step EXPLANATION:

9pqr( {2p}^{2q}  -  {3q}^{2r} )

= 18 {p}^{2q + 1}qr - 27p {q}^{2r + 1}r



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