Mathematics
If A = . Which of the following operations is possible ?
A - B
A + B
AB
BA
Matrices
ICSE Sp 2024
31 Likes
Answer
Order of A : 1 × 2 and order of B : 2 × 2
Since, no. of columns in A is same as the no. of rows in B.
∴ AB is possible.
Hence, Option 3 is the correct option.
Answered By
19 Likes
Related Questions
If x2 + kx + 6 = (x - 2)(x - 3) for all values of x, then the value of k is :
-5
-3
-2
5
A retailer purchased an item for ₹ 1,500 from a wholesaler and sells it to a customer at 10% profit. The sales are intra-state and the rate of GST is 10%. The amount of GST paid by the customer is :
₹ 15
₹ 30
₹ 150
₹ 165
If the roots of equation x2 - 6x + k = 0 are real and distinct, then value of k is :
> -9
> -6
< 6
< 9
Which of the following is/are an Arithmetic Progression (A.P.) ?
(i) 1, 4, 9, 16, ……..
(ii) …………
(iii) 8, 6, 4, 2, ………..
only (i)
only (ii)
only (ii) and (iii)
all (i), (ii) and (iii)