Question

the expression x^2-2x+a^2+b^2/x^2+2x+a^2+b^2 lies between​

Answer 1

Answer:

Bromide in the mother liquor (containing MgBr2) is oxidised to Br, by passing Cl, which is a stronger oxidising agent.

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Answer 2

Step-by-step explanation:

(a + ib) = (x + i)²/(2x²+1) ,

take modulus both sides,

|a + ib| = |(x + i)²|/|(2x²+1)|

we know,

|zⁿ| = |z|ⁿ also |+ve number| = +ve number

√(a² + b²) = |x + i|²/(2x²+1)

√(a² + b²) = (√(x² + 1))²/(2x²+1)

squaring both sides,

(a² + b²) = (x² +1)/(2x²+1)²

Hence, proved