The real value of - a - for which 3 i3-2 a i2-1-a i-5 is real is

3i3 ndash; 2ai2 + (1 ndash; a) i + 5 i.e 3i2 i ndash; 2a( ndash;1) + (1 ndash; a) i + 5 i.e 3i + 2a + (1 ndash; a) i + 5 i.e 2a + 5 + i(1 nd ...

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Laws of Exponents

The real valu...

Question

The real value of 'a' for which 3i³ – 2ai² + (1 – a) i + 5 is real is ____________.

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Find the real value of a for which $3 i^{3} - 2 a i^{2} + (1 - a) i + 5$ is real.

(- 1 + \sqrt{3} i)^{3}

{(- 1 + \sqrt{3} i)}^{3}

n \prod i = 1 a_{i} = 1

n \prod i = 1 (1 + a_{i}) \geq x^{n}

a_{i}, i = 1, 2, \dots, n

x

n \prod i = 1 a_{i} = 1

n \prod i = 1 (1 + a_{i}) \geq x^{n}

a_{i}, i = 1, 2, \dots, n

x

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