TS EAMCET · Maths · Matrices
Let and . Then the set of all real values of for which the rank of is , is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
A=1rr2lrr21mr21rn Let l, m, n∈R⇒l, m, n=1 ⇒A= 1rr21rr211r21r1 Checking options 1. 0,∞ Here, r= any value which lies between (0,∞). Case (i): Let r=1 A=111111111111 R2→R2-R1, R3→R3-R1 =111100000000 ∴…
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