Home
Class 12
MATHS
In a group Q-{-1} under binary operation...

In a group `Q-{-1}` under binary operation '+' defined by `a^("*")b=a+b+ab`, then inverse of 10 is :

A

`(1)/(10)`

B

`(11)/(10)`

C

`-(11)/(10)`

D

`(-10)/(11)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RELATIONS

    MODERN PUBLICATION|Exercise AIEEE/JEE EXAMINATIONS|1 Videos

  • REAL NUMBERS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level-II)|8 Videos

  • SEQUENCES AND SERIES

    MODERN PUBLICATION|Exercise Recent competitive Questions|5 Videos

Similar Questions

Explore conceptually related problems

Define binary operation.

Define Binary Operation.

Define a binary operation on a set

If the binary oprationis defined by a^(**)b = a + b -5 over Z., the identify element is

Binary operation * on R -{-1} defined by a ** b = (a)/(b+1) is

Binary operation * on R - {-1} defined by a * b= (a)/(b+a)

Let * be a binary operation on N defined by a**b = LCM of a and b. Find 20**16 .

For any two real numbers, an operation * defined by a *b = 1 + ab is