Identity in Binary Operation
Trending Questions
Q.
Find the identity of the operation a ∗ b = ab4
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0
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4
Q. Find the number of ways in which a person can buy 6 chocolates . if there are three types of chocolates available . (chocolates of same type are identical) . 1) 10 2) 28 3) 3^6 4) 6^3
Q. For two 3×3 matrices A and B, let A+B=2B′ and 3A+2B=I3, where B′ is the transpose of B and I3 is 3×3 identity matrix, then
- 5A+10B=2I3
- 3A+2B=2I3
- 10A+5B=3I3
- 3A+6B=2I3
Q.
Identity of zero under multiplication is zero, because 0 ∗ 0 = 0 = 0 ∗ 0
True
False
Q. [x+[x]]is less than equal to 2
Then x belongs to