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NCERT EXEMPLAR-ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION -EXERCISE
- The curved surface area of a cylinder is 2pi (y ^(2) - 7y + 12) and it...
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- The area of a circle is given by the expression pi x ^(2) + 6pi x + 9p...
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- The sum of first n natural numbers is given by the expression ( n ^(2)...
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- The sum of (x + 5) observations is x ^(4) - 625. Find the mean of the ...
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- The height of a triangle is x ^(4) + y ^(4) and its base is 14xy. Find...
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- The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocola...
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- The base of a parallelogram is (2x + 3) units and the corresponding he...
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- The radius of a circle is 7ab – 7bc – 14ac. Find the circumference of ...
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- If p + q=12 and pq= 22, then find p^(2) + q ^(2).
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- If a+b=25 and a^(2)+b^(2)=225 then find ab
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- If x -y = 13 and xy = 28, then find x ^(2) + y ^(2).
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- If m -n = 16 and m ^(2) + n ^(2) = 400, then find mn.
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- If a ^(2) + b ^(2) = 74 and ab = 35, then find a + b.
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- Verify that (ab+ bc) (ab- bc) + (bc+ ca) (bc- ca) + (ca + ab) (ca- a...
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- Verify that (a +b + c) (a ^(2) + b ^(2) + c ^(2) - ab - bc - ca) = a...
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- Verify that (p-q) ( p ^(2) + pq + q ^(2)) = p ^(3) - q ^(3)
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- Verify that (m + n) ( m ^(2) - mn + n ^(2)) = m ^(3) + n ^(3)
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- Verify the (a+b ) (a+b) (a +b) = a ^(3) + 3a ^(2) b + 3a^(2) b + 3a ...
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- Verify that (a-b) (a -b) (a-b) = a ^(3) - 3a ^(2) b + 3a b ^(2) - b ...
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- Verify that (a ^(2) - b ^(2)) (a ^(2) + b ^(2)) + (b ^(2) - c ^(2)) ...
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