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Is 3! + 4! = 7!?...

Is `3! + 4! = 7!`?

A

yes

B

No

C

may or may not

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
3!=1×2×3 = 6 and 4!=1×2×3×4 = 24
⇒3!+4!
=6+24=30,
7!=1×2×3×4×5×6×7=5040
∴ 4!+3! `\ne`7!
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