Write the required coefficients — task. Mathematics State Board, Class 9.

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Write the coefficient of

r^{2}

in each of the following:

(i)

5 - r^{2} + r^{3}

The coefficient of '

r^{2}

' is .

(Note: Insert the number with a sign)

(ii)

\frac{π}{7} r^{2} + r

$=$

Did you find an error?

3. Write the required coefficients