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Q. 1. If $m=2,$ find the value of:

(iv) $3m^{2}-2m-7$

Answers (1)

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$\\3m^2 - 2m - 7 \\= 3 \times 2^2 - 2 \times 2 - 7 \\= 12 - 4 - 7 \\= 1$

If m = 2 the value of 3m² - 2m - 7 = 1

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