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Identify the Numerical Coefficients of Terms (Other than Constants) in the Following Expressions: 5 − 3t2 - Mathematics

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

1) 5 − 3t2

2) 1 + t + t2 + t3

3) x + 2xy+ 3y

4) 100m + 1000n

5) − p2q2 + 7pq

6) 1.2a + 0.8b

7) 3.14 r2

8) 2 (l + b)

9) 0.1y + 0.01 y2

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Solution

Row Expression Terms Coefficients
1 5 − 3t2 3t2 − 3
2 1 + t + t2 + t3

t

t2

t3

1

1

1

3 + 2xy + 3y

x

2xy

3y

1

2

3

4 100m + 1000n

100m

1000n

100

1000

5 − p2q2 + 7pq

− p2q2

7pq

-1

7

6 1.2a +0.8b

1.2a

0.8b

1.2

0.8

7 3.14 r2 3.14 r2 3.14
8 2(l + b)

2l

2b

2

2

9 0.1y + 0.01 y2

0.1y

0.01 y2

0.1

0.01

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APPEARS IN

NCERT Class 7 Maths
Chapter 12 Algebraic Expressions
Exercise 12.1 | Q 3 | Page 235
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