Question 3
Identify the numerical coefficients of terms (other than constants) in the following expressions:
(i) 5−3t2
(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
S.NO.ExpressionTermsNumerical Coefficient(i)5−3t2−3t2−3(ii)1+t+t2+t3t1t21t31(iii)x+2xy+3yx12xy23y3(iv)100m+1000n100m1001000n1000(v)−p2q2+7pq−p2q2−17pq7(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