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the difference of square of two number is 180.the square of tye smaller number is 8 times the large number find the two numbers |
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Answer» Step-by-step explanation: Let the smaller no. be = x And the larger no = y Also given the SQUARE of two no is=180 according to ist condition x2-y2=180 eq.i according to 2nd condition x=8y eq.ii put the value of x in EQUATION i x2-y2=180 8y-y2 =180 8y-y2-180=0 -y2+8y-180=0 + - + y2-8y+180=0 on compare it with ax2+bx+c=0 Here A=1 B=-8 C=180 Now (D)= b2-4ac = (-8)2-4×1×180 = 64-720 = 656 by using quadratic FORMULA = - |
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