1.

- 343 X (-7)^x = 49​

Answer»

Step-by-step explanation:

-343×(-7)^X=49

=>(-7)³×(-7)^x=(-7)²

BASES are equal so, powers should be added

(-7)^3+x=(-7)². [a^m.aⁿ=a^m+n]

bases are equal . So, we should equal the powers

3+x=2

x=2-3

x= -1


Discussion

No Comment Found

Related InterviewSolutions