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4 +3/54-3/56. If-a+ b 5, find the values of a and b |
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Answer» 4+3√5/4-3√5=a+b√4 (4+3√5)/(4-3√5)×(4+3√5)/4+3√5) (4+3√5)^2/(4)^2-(3√5)^2 (4)^2+(3√5)^2+2×4×3√5/16-45 16+45+24√5/-29 61+24√5/-29 (61/-29)+(24√5)/-29=a+b√5 so,a=61/-29 b=24/-29 correct |
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