The following mathematical relation is written in terms of base dimensions. What is the required dimension of k to make the equation dimensionally consistent? m 2 2 = m 2 2 m a. mL²t² = mL²t²eᵏmt Exponential part is dimensional b. kmt = m⁰L⁰t⁰ c. k [m¹t¹] = m⁰L⁰t⁰ d. k = m⁻1L⁰t⁻1