Write the rationalising factor of √18 and 1/√5
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Step-by-step explanation:
Q. of √18 - √50.
= √18 - √50
= √ ( 2 × 3 × 3 ) - √ ( 2 × 5 × 5 )
= 3 √2 - 5 √2.
= √2 ( 3 - 5 )
= √2 ( -2 )
= -2 √2
Answered by
0
Given,
Factor
=√18-√50
=√9×2-√25×2
=3√2-5√2
=(3-5)√2
=-2√2
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