Assuming that the sums and products give...

Assuming that the sums and products given below are defined, which of the following is not true for matrices ?

A

AB=AC does not imply B=C

B

A + B = B + A

C

(AB)' = B'A'

D

AB=0 implies A=0 or, B=0

Text Solution

Verified by Experts

The correct Answer is:

D

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Knowledge Check

State which of the following is not true:

A

`2+3i gt 1+ 4i`

B

`6+ 2i gt 3+ 3i`

C

`5+5i gt 5+ 7i`

D

none of these

State which of the following is not true ?

A

The resulting sequence obtained by adding 5 to each term of an A.P. is also an A.P.

B

The resulting sequence obtained by subtracting 3 from each term of an A.P. is also an A.P.

C

The common difference of an A.P. can never be negative.

D

If each term of a series in A.P. multiplied by 6 then the resulting sequence so obtained number is also in A.P.

Which one of the following is not true?

A

`A - B subseteq A`

B

`B' - A' subseteq A`

C

`A subseteq A - B`

D

`A cap B' subseteq A`

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Which of the following is not true for meiosis

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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 2

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