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Add x2 − a2, −5x2 + 2a2, −4x2 + 4a2 - Mathematics

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प्रश्न

Add the following:

\[m^2 - 4m + 5\]
\[ - 2 m^2 + 6m - 6\]
- m^2 - 2m - 7     

_______________      

योग

उत्तर

\[m^2 - 4m + 5\]
\[ - 2 m^2 + 6m - 6\]
`- m2 - 2m - 7`            

\[ - 2 m^2 + 0 \times m - 8\] 

\[ = - 2 m^2 + 0 - 8 = - 2 m^2 - 8\]

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अध्याय 8: Algebraic Expressions - Exercise 8C [पृष्ठ १३४]

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आरएस अग्रवाल Mathematics [English] Class 6
अध्याय 8 Algebraic Expressions
Exercise 8C | Q 2.2 | पृष्ठ १३४

वीडियो ट्यूटोरियलVIEW ALL [1]

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S.No.

Equation

Value of variable

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(b)

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(c)

10y = 80

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(d)

4l = 20

l = 20

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(e)

4l = 20

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(f)

4l = 20

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b + 5 = 9

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(h)

b + 5 = 9

b = 9

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(i)

b + 5 = 9

b = 4

______

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h − 8 = 5

h = 13

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(k)

h − 8 = 5

h = 8

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h − 8 = 5

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p + 3 = 1

p = 3

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p + 3 = 1

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p + 3 = 1

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p + 3 = 1

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p + 3 = 1

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`"q"/2 = 7` (7, 2, 10, 14)


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