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If sqrt(86-60sqrt2)=a-b sqrt2, then what...

If `sqrt(86-60sqrt2)=a-b sqrt2`, then what will be the value of `sqrt(a^2+b^2)`, correct to one decimal place ?
यदि `sqrt(86-60sqrt2)=a-b sqrt2` है, तो एक दशमलव स्थान तक `sqrt(a^2+b^2)` का मान ज्ञात करें |

A

8.4

B

7.8

C

8.2

D

7.2

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CHAMPION PUBLICATION-2018 TIER-II PAPER(4)-EXERCISE
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  13. ((2SinA)(1+SinA))/(1+SinA+CosA) is equal to : ((2SinA)(1+SinA))/(1+S...

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  19. Abhi rows upstream a distance of 28 km in 4 hours and rows downstream ...

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