Exercise 12.1
Identify the terms, their coefficient for each of the following expression.
(a) 4x + 5 (b) 7x - 12x + 8 (0) 5x'y? - 3x'yʻz? + 2 (d) 9x + 7y2 + 12 z2
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Answer:-
(i) 4x + 5
terms = 4x and 5
coefficient of 4 = x, Coefficient of 5 = 1
(ii) 7x - 12 x + 8 = -5x + 8 = 5x - 8
terms = 5x and -8
coefficient of 5 = x, coefficient of -8 = -1
(iii) 5xy - 3xyz + 2
terms = 5xy , -3xyz , 2
coefficient of 5xy = x and y
coefficient of -3xyz = x, y and z
coefficient of 2 = 1
(iv) 9x + 7y² + 12z²
terms = 9x, 7y² and 12z²
coefficient of 9x = x
coefficient of 7y² = y²
coefficient of 12z² = z²
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Answer:
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