Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

91.

y²= 9

196 Views

92.

straight z squared equals 0.04

157 Views

93. In the following equations, find which variables x, y, z etc., represent rational numbers and which represent irrational numbers:

straight u squared equals 17 over 4

706 Views

94.

straight v squared equals 3

114 Views

95. In the following equations, find which variables x, y, z etc., represent rational numbers and which represent irrational numbers:

straight w cubed equals 27

403 Views

96. In the following equations, find which variables x, y, z etc., represent rational numbers and which represent irrational numbers:

straight t squared equals 0.4

556 Views

fraction numerator square root of 3 minus 1 over denominator square root of 3 plus 1 end fraction fraction numerator square root of 3 minus 1 over denominator square root of 3 plus 1 end fraction equals fraction numerator square root of 3 minus 1 over denominator square root of 3 plus 1 end fraction cross times fraction numerator square root of 3 minus 1 over denominator square root of 3 minus 1 end fraction

Multiplying the numerator and denominator by

square root of 3 minus 1

equals fraction numerator left parenthesis square root of 3 minus 1 right parenthesis squared over denominator open parentheses square root of 3 close parentheses squared minus left parenthesis 1 right parenthesis squared end fraction equals fraction numerator left parenthesis square root of 3 right parenthesis squared minus 2 left parenthesis square root of 3 right parenthesis left parenthesis 1 right parenthesis plus left parenthesis 1 right parenthesis squared over denominator 3 minus 1 end fraction equals space fraction numerator 3 minus 2 square root of 3 plus 1 over denominator 2 end fraction equals fraction numerator 4 minus 2 square root of 3 over denominator 2 end fraction equals 2 minus square root of 3.

125 Views

98. Rationalise the denominators of the following:

fraction numerator 3 plus square root of 2 over denominator 3 minus square root of 2 end fraction

163 Views

99. Rationalise the denominators of the following:

fraction numerator 3 plus square root of 7 over denominator 3 minus 4 square root of 7 end fraction

152 Views

100. Represent

square root of 5

on the number line.

131 Views