lowest rationalizing factor of
√18-√45. PLEASEE HELP!!!
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Answer:
√2.
Step-by-step explanation:
Q. Write the lowest rationalising factor of √18 - √50.
= √18 - √50
= √ ( 2 × 3 × 3 ) - √ ( 2 × 5 × 5 )
= 3 √2 - 5 √2.
= √2 ( 3 - 5 )
= √2 ( -2 )
= -2 √2
And its rationalising factor will be √2.
The answer is √2.
Hope it helps !
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