12. For which of the following solids are all cross sections circular?
1 answer:
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Answer:
Option 2 is correct that is and
and
Step-by-step explanation:
We have been given with the expression
We will simplify the given expression by factorisation we will get
Taking x as common from first two terms in numerator and 2 from last two terms in numerator
Similarly, take x common from first two terms and 9 from last two terms in denominator we will get
After arranging the terms we will get
Taking out the common factor which is (x-12) from numerator and denominator it will get cancelled we will get
Hence, Option 2 is correct that is and
and
