# In momentum (P), area (A) and time (T) are taken to be the fundamental quantities then the dimensional formula

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In momentum (P), area (A) and time (T) are taken to be the fundamental quantities then the dimensional formula for energy is :

(1) [P2AT–2

(2) [P–1AT–1

(3) [PA1/2T–1

(4) [PA–1T–2]