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Rishab Pathak

· started a discussion

· 1 Months ago

Could any one please tell me how the value of roots are vanished? (Question: 338502.1 )

Could any one please tell me how the value of roots are vanished?

Question:
DIRECTIONS: What approximate value will come in place of the question mark (?) in the following questions?

\(\sqrt{9619}\)  x 89% of 1152 – 45 x \(\sqrt{7732}\)  + 74.87 % of 348 =  (?)2

Options:
A) 310
B) 285
C) 172
D) 415
E) 360
Solution:

\(\sqrt{9619}\)  x 89% of 1152 – 45 x \(\sqrt{7732}\)  + 74.87 % of 348 =  (?)2

\(\sqrt{9604}\)  x 89% of 1152 – 45 x  \(\sqrt{7744}\)  + 74.87 % of 348 =  (?)2

≈x 89% of 1150 – 45 x    + 75 % of 350 =  (?)2

98 x 1023.5 – 45 x 88 + 262.5 =  (?)2

100303 – 3960 + 262 =  (?)2

(?)2 = 96605

? ≈ 310

veeresh 076

· commented

· 1 Months ago

its in the nxt step (98 & 88)
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