Question

7. By what number should (7)^-2 be multiplied so that the product may be equal to (343)^-1​

Answer 1

Answer:

Let 3 −4 be multiplied with x to get 729=3 6

∴3 −4 ×x=3 6

x=

3−4

3

6

x

=3

10

It should be multiplied with 3

10