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Find the value of 34²-26².Write 4x²-20x+25 in factorised form.Find the number that has the same ratio to 48 as 32 has to 24 .Q4. Rational no -11/9 lies between integers ____ and ____ . |
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Answer» Answer: 34^2-26^2 =(34+26)*(34-26) =(60)*(8) =480 4x^2-20x+25=0 4x^2-10x-10x+25=0 2x(2x-5)-5(2x-5)=0 (2x-5)(2x-5)=0 (2x-5)^2=0 2x-5=0 x=5/2,x=5/2 |
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