﻿ CBSE Class 12 Mathematics Solved Question Paper 2013 | Previous Year Papers | Zigya

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## CBSE Class 12 Mathematics Solved Question Paper 2013

1.

Write the principal value of

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2.

Write the value of

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3.

Find the value of a if

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4.

If  then write the value of x.

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5.

If  then find the matrix A.

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6.

Find the value of the following:

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7.

Prove that

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8.

Using properties of determinants prove the following:

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9.

Show that the function  is  continuous but not differentiable at x=3.

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10.

A school wants to award its students for the values of Honesty, Regularity and Hard work with a total cash award of Rs 6,000. Three times the award money for Hard work added to that given for honesty amounts to Rs 11,000. The award money given for Honesty and Hard work together is double the one given for Regularity. Represent the above situation algebraically and find the award money for each value, using matrix method. Apart from these values, namely, Honesty, Regularity and Hard work, suggest one more value which the school must include for awards.

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