Question

(5/3) 2 + (3) 2 ( 2 = square) ​

Answer 1

Answer:

Step-by-step explanation:

= (5/3)²+3²

= 25/9+9                              [ CROSS MULTIPLYING]

= (25+9*9)/9

= (25+81)/9

= 106/9

= 11.777 .

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Answer 2

Answer:

Given (2+3√5)/(2-3√5)

Rationalising the denominator, we get

= [(2+3√5)(2+3√5)]/[(2-3√5)(2+3√5)]

= (2+3√5)²/[2²-(3√5)²]

= [2²+(3√5)²+2×2×3√5]/(4-45)

= (4+45+12√5)/(-41)

= (49+12√5)/(-41)

Therefore,

(2+3√5)/(2-3√5)

=(49+12√5)/(-41)

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