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Find the compound ratio of:(a + b)2 : (a – b )2 ,(a2 – b2) : (a2 + b2),(a4 – b4) : (a + b)4 - Mathematics

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प्रश्न

Find the compound ratio of:
(a + b)2 : (a – b )2 ,
(a2 – b2) : (a2 + b2),
(a4 – b4) : (a + b)4

योग

उत्तर

(a + b)2 : (a – b )2 ,
(a2 – b2) : (a2 + b2),
(a4 – b4) : (a + b) 

= `(a + b)^2/(a - b)^2 xx (a^2 - b^2)/(a^2 + b^2) xx (a^4 - b^4)/(a + b)^4`

= `(a + b)^2/(a - b)^2 xx ((a + b)(a - b))/(a^2 + b^2) xx ((a^2 + b^2)(a + b)(a - b))/(a + b)^4`

= `(1)/(1)`
= 1 : 1.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Ratio and Proportion - Chapter Test

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एमएल अग्रवाल Understanding ICSE Mathematics [English] Class 10
अध्याय 7 Ratio and Proportion
Chapter Test | Q 1
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