Rationalise the denominator i) 3root5+ root3 / root 5 - root 3?
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Answer:
3root 5+ root3/ root5 - root3×root5+ root3/
root5 + root3
root5( 3root5+root3) + root3( 3root5+root3)/
15+root15+3root15+3/5-3
18+4 root 15/2
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