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  • When a = 0, b = - 1, find the value of the given expressions : (ii) 2a^2 + b^2 + 1

Q. 5.     When a=0,b=-1, find the value of the given expressions:

             (ii)  2a^{2}+b^{2}+1

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\\2a^2 + b^2 + 1 \\= 2 \times 0^2 + ( -1 )2 + 1 \\= 0 + 1 + 1 \\= 2

When a = 0 and b = -1 the value of the given expression 2a2 + b2 + 1 = 2

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