find the value of x, if 7^4 ×7^5 = 7^3x
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Answered by
0
Answer:
400
Step-by-step explanation:
Answered by
0
Answer:
x=3
Step-by-step explanation:
By simple exponent property a^m*a^n=a^m+n 7^3x=7^4+5=7^9 As base in lhs and rhs is same,so exponent must be same.Therefore,3x=9 then x=3
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