Write down the contrapositive of the following statements:
i. If and , then .
ii. If is a natural number, then is an integer.
iii. If all three sides of a triangle are equal, then the triangle is equilateral.
iv. If and are negative integers, then is positive.
v. If a natural number is divisible by 6, then is divisible by 2 and 3.
vi. If it snows, then the weather will be cold.
vii. If is a real number such that , then .
Write down the contrapositive of the following statements:
i. If and , then .
ii. If is a natural number, then is an integer.
iii. If all three sides of a triangle are equal, then the triangle is equilateral.
iv. If and are negative integers, then is positive.
v. If a natural number is divisible by 6, then is divisible by 2 and 3.
vi. If it snows, then the weather will be cold.
vii. If is a real number such that , then .
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1 Answer
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This is a short answer type question as classified in NCERT Exemplar
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Case – I
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Case – II If
tautology
then
Case – I
pva
its negation as asked in question
=
=
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…… (i)
Now,
……. (ii)
(i) & (ii)
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