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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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