Find the number of Subsets in A X B with at least 3 Elements IIT JEE

[@shilpiarya6121]

You explained it very well Thank you Sir

[@tebogonomnqa]

Great Explanation. Thank you!

[@antonyjoe4585]

kindly explain how to get the number of subset with two elements.8*7/2*1

[@Fischinose]

8C2 = 8!/2!6! = 8*7/2

[@nikhilphukan6810]

I don't get it

[@nikhilphukan6810]

Please explain perfectly 🙏

[@shilpiarya6121]

@@nikhilphukan6810 solve 8 C 2 Combination solition

[@shriyamsadhu5013]

Sirji nice explanation

[@prabinmeher6747]

A set S has 3 element.the number of elements in power set S is.......

[@valsala-v]

8

[@anaadidubeyji2090]

Thank you sir

[@hamzaaead9680]

شكرا

[@PriyaSingh-lf3xm]

Thxs

[@cavendis3423]

nice sir

[@MathematicsTutor]

Thanks

[@VS4AA]

Can u answer me I'm not understanding how 8×7÷2 came plz explain anyone

[@Fischinose]

@@VS4AA 8C2 = 8!/2!6! = 8*7/2

[@aman4805]

@@Fischinose sorry but I don't understand your explanation too, can you explain it more clearly

[@Fischinose]

@@aman4805 Use the formula for ⁿCr n = 8 r = 2 ⁿCr = n!/((n-r)! × r!) ⁸C2 = 8!/((8-2)! × 2! Simplify to get ⁸C2 = 8×7/2 Just write what I said on a piece of paper You'll get it