Question

solve it with complete solutions​

Answer 1

Draw perpendicular AX at A on the number line and cut-off arc AB=1unit. Taking O as the centre and OB=5 as radius draw an arc cutting real line at C. Clearly, OC=OB=5 . Hence, C represents 5 on the number line.

question 11.

Here is yr answer.......

=> 1/3+√2

On rationalising......

=> 1/3+√2 × 3-√2/3-√2

=> 3-√2/9-2

=> 3-√2/7 (q 12)

The correct answer will be.

(ab+bc) +(ax+cx)

B(a+c) +x(a+c)

(a+c)(b+x)

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