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Question 3

Identify the numerical coefficients of terms (other than constants) in the following expressions:

(i) 53t2

(ii) 1 + t + t2 + t3

(iii) x + 2xy + 3y

(iv) 100m + 1000n

(v) p2q2+7pq

(vi) 1.2a + 0.8b

(vii) 3.14r2

(viii) 2(l + b)

(ix) 0.1y+0.01y2


Solution

S.NO.ExpressionTermsNumerical Coefficient(i)53t23t23(ii)1+t+t2+t3t1t21t31(iii)x+2xy+3yx12xy23y3(iv)100m+1000n100m1001000n1000(v)p2q2+7pqp2q217pq7(vi)1.2a+0.8b1.2a1.20.8b0.8(vii)3.14r23.14r23.14(viii)2(l+b)=2l+2b2l22b2(ix)0.1y+0.01y20.1y0.10.01y20.01

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