(7/4)^-3/2*(7/4)^-5/2=(7/4)^x-2 plz ans
Answers
Answered by
2
a^m ×a^n =a^(m+n) => So we get (7/4)^-3/2 ×(7/4)^-5/2 =(7/4)^-(3+5/2) =(7/4)^-4 .(7/4)^-4= (7/4)^(x-2) => -4=x-2 =>x= -4 +2 = -2 .So value of x is (-2).
Similar questions