The value of $\frac{(8.9)^2-(2.1)^2}{8.9 - CUETMOCK

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Algebra

Question:

The value of $\frac{(8.9)^2-(2.1)^2}{8.9-2.1}$

Options:

8.6

6.8

10.0

11.0

Correct Answer:

11.0

Explanation:

$\frac{a^2-b^2}{a-b}=\frac{(8.9+2.1)(8.9-2.1)}{(8.9-2.1)}=8.9+2.1$

$⇒11$

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