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# If a = 3 and B = -2, Find the Values of : Ab + Ba - CBSE Class 9 - Mathematics

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ConceptLaws of Exponents for Real Numbers

#### Question

If a = 3 and b = -2, find the values of :

ab + ba

#### Solution

ab + ba

Here a = 3 and b = -2

Put the values in the expression ab + ba

3-2 + (-2)3

=(1/3)^2+(-8)

=1/9-8

=(1-72)/9

=-71/9

Is there an error in this question or solution?

#### APPEARS IN

RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 2: Exponents of Real Numbers
Ex. 2.10 | Q: 2.2 | Page no. 12

#### Video TutorialsVIEW ALL [1]

Solution If a = 3 and B = -2, Find the Values of : Ab + Ba Concept: Laws of Exponents for Real Numbers.
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