please answer my question fast... tomorrow is my exam
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x=5/2 because if we write under root in the form of 1/2 the the power of 7 in LHS is given by 1/2+1/2+1/2+1/2+1/2=5/2
dashinggirl2015:
but the answer shown in 31/32
is*
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√7√7√7√7√7=7ˣ
7¹/² ·7¹/².7¹/².7¹/².7¹/²=7ˣ
7⁵/²=7ˣ [If there is a multiplication sign and the base is the same, the powers get added]
5/2=x
[if bases are same then powers are equated]
7¹/² ·7¹/².7¹/².7¹/².7¹/²=7ˣ
7⁵/²=7ˣ [If there is a multiplication sign and the base is the same, the powers get added]
5/2=x
[if bases are same then powers are equated]
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