Math, asked by aisha1520000, 10 months ago

5 mark question long answer type

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Answered by rathi07
0

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Answered by Anonymous
4

Let the actual age of Zeba= X yr.

Her age when she was 5 yr younger=(x-5)yr.

Now, by given condition,

Square of her age= 11 more than five times her actual age.

(x-5)^2=5×actual age+11

(x-5)^2=5x+11

x^2+25-10x=5x+11

x^2-15x+14=0

x^2-14x-x+14=0

x(x-14)-1(x-14)=0

(x-1)(x-14)=0

x=14

Hence, required Zeba's age now is 14 yr.

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