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Question
Write the greatest common factor in the following terms.
21pqr, –7p2q2r2, 49p2qr
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Solution
We have,
21pqr = 7 × 3 × p × q × r
–7p2q2r2 = –7 × p × p × q × q × r × r
49p2qr = 7 × 7 × p × p × q × r
∴ The greatest common factor i.e. GCF is 7pqr.
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