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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Subtract: A2 - 3ab - 6b2 from 2b2 - A2 + 2ab - Mathematics

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प्रश्न

Subtract: a2 - 3ab - 6b2 from 2b2 - a2 + 2ab

योग

उत्तर

a2 - 3ab - 6b2 from 2b2 - a2 + 2ab

= (2b2 - a2 + 2ab) - (a2 - 3ab - 6b2)

= 2b2 - a2 + 2ab - a2 + 3ab + 6b2 

= - a2 + a2 + 2b2 + 6b2 + 2ab + 3ab 

= - 2a2 + 8b2 + 5ab

= 8b2 + 5ab - 2a2 

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Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

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सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 10.08
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