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प्रश्न
Carry out the multiplication of the expression of the following pair.
pq + qr + rp, 0
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उत्तर
On multiplying,
(pq + qr + rp) × 0
= pq × 0 + qr × 0 + rp × 0
= 0 + 0 + 0 = 0
Hence, multiplication = 0
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