Math, asked by rvkb123, 1 year ago

If√2=1.414,then find the value of 3√32-2√50+4√128-20√18

Answers

Answered by anshulnagpalp9hrwb
12

3√32-2√50+4√128-20√18                                                                                                     3√2×2×2×2×2-2√5×5×2+4√2×2×2×2×2×2×2-20√2×3×3                                                          3×2×2√2-2×5√2+4×2×2×2√2-20×3√2                                                                               12√2-10√2+32√2-60√2                                                                                                      16.968-14.14+45.248-84.84

-36.704

Ans -36.704

Hope satisfied with y answer

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Answered by mohini2005singh
7

3√16×2-2√25×2+4√64×2-20√9×2

√ab can be written as root a into root b

=3×4√2-2×5√1+4×8√2-20×3√2

= 12√2-10√2+32√2-60√2

=26√2

=26×1.414

= 36.764

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