Question

plz explain the answer... of this question... ​

Answer 1

we know that, DF of energy is ML²T⁻²

in the given eqn, the numerator has the DF L²

thus, b=L²

and from the remaining thing,  a=M⁻¹T

∴a×b= M⁻¹L²T

That's it.

Answer 2

Answer:

For solution plzz follow up with the attachment