(343 x 49)/ (216 x 16 x 81) = ?
A 7⁵/6⁷
B 7⁵/6⁸
C 7⁴/6⁸
D 7⁶/6⁷
E None of these.
Solution
Correct Answer: Option A
প্রদত্ত রাশি
=(343 x 49)/ (216 x 16 x 81)
= (7³ x 7²)/(6³ x 2⁴ x 3⁴)
= {7⁽³ ⁺ ²⁾} / {6³ x (2 x 3)⁴}
= 7⁵ / (6³ x 6⁴)
= 7⁵ / 6⁽³ ⁺ ⁴⁾
= 7⁵ / 6⁷