Which of the following statements are incorrect? If f(x) and g(x) are one-one then f(x)+g(x) is also one-one If f(x) and g(x) are one-one then f(x)dotg(x) is also one-one If f(x) is odd then it is necessarily one-one? Ia n dI Ion l y b. I Ia n dI I Ion l y c. I I Ia n dIon l y d. I ,I Ia n dI I I
Short Circuiting
Assertion (A) : If A is square matrix such that A ^(2) = A, then ( I + A)^(2) - 3 A = I Reason (R) : AI = IA = A
Write a short note on commensalism.
If I is the incentre of a !ABC , then IA:IB:IC is equal to