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8

If find the values of a and b.

So, a = 3 and b =2

8

6

Divide

13

If

15

Simplify:

17

Match the following columns:

Column I | Column II |

A. B. C. D. | (p) a rational number (q) an irrational number (r) (s) |

The correct answer is:

(a)-……., (b)-……., (c)-……., (d)-…….,

20

Prove that