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What is y in \(\int_a^b\)f(y) dy called as?

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in Mathematics - Class 12 by (687k points)
What is y in \(\int_a^b\)f(y) dy called as?

(a) Random variable

(b) Dummy symbol

(c) Integral

(d) Integrand

The question was asked during an online exam.

My doubt is from Definite Integral in portion Integrals of Mathematics – Class 12

1 Answer

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Best answer
Right answer is (b) Dummy symbol

For explanation: In \(\int_a^b\)f(y) dy ‘a’ is the called as lower limit and ‘b’ is called the upper limit of the integral. The fuction ‘f’ in \(\int_a^b\)f(y) dy is called the integrand. The letter ‘y’ is a dummy symbol and can be replaced by any other symbol.

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