Formulas & Short Tricks of Algebra

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Important Formulae
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image010 If image011 then image012
Types of Questions Asked in SSC Exams
Type 1.   If image013, find the value of image014
Ans.image016
Squaring both side
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Squaring both sides again,
image018image019
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Type 2: If  find the value ofimage021find the value of  image022
Ans.image023
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Squaring both sides again
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Type 3: Find the value ofimage035if image036
Ans. image037
image038 = 9 – 8  = 1
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Type 4:  Ifimage040then find the value ofimage041
Ans:
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Cubing both sides,
image043 image045
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Type 5: Ifimage047image048 then find the value of image049
Ans. image047
Squaring both sides,
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Putting the value of image052
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Type 6 Ifimage059, find the value ofimage060
Ans:
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(Dividing by x y z)
image063image064…. (Formula)
Type 7 If image070 then the value of image071
Ans:image072formula
We do not know the value of xy + yz + zx. First find it.
image073formula
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