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प्रश्न
Fill in the blank:
5x × 2x2y × (− 7y3) × 2x3y2 = ...............
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उत्तर
5x × 2x2y × − 7y3 × 2x3y2 = 5 × 2 × − 7 × 2 × x1+2+3 × y1+3+2 = − 140x6y6
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