1.

ple-16. Rationalise the denominator of -4+55

Answer»

1/4+√51×(4-√5)/(4+√5)(4-√5)4-√5/(4)^2-(√5)^24+√5/16-54+√5/11

1/4+V5 x4- V5/4-V5=4-V5/16-5 = 4-V5/11



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