Question

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Q.3,4

Answer 1

(iii) Your question is incorrect.It should be |17| - |-15|.

Given : |17| - |-15|

By absolute rule |a| = a and |-a| = a

⇒ 17 - |-15|

⇒ 17 - 15

⇒ 2.

(iv)

Given : |7 - 3| * |5 - 5|

⇒ |4| * |0|

⇒ 4 * 0

⇒ 0.

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