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8 + 3i

Q: What is the conjugate of 8-3i?

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It depends on what the denominator was to start with: a surd or irrational or a complex number. You need to find the conjugate and multiply the numerator by this conjugate as well as the denominator by the conjugate. Since multiplication is by [conjugate over conjugate], which equals 1, the value is not affected. If a and b are rational numbers, then conjugate of sqrt(b) = sqrt(b) conjugate of a + sqrt(b) = a - sqrt(b), and conjugate of a + ib = a - ib where i is the imaginary square root of -1.

When finding the conjugate of a binomial, you just reverse the sign. So the conjugate of 3+4i is 3-4i.

The concept of conjugate is usually used in complex numbers. If your complex number is a + bi, then its conjugate is a - bi.

21

To find the complex conjugate change the sign of the imaginary part: For 11 + 5i the complex conjugate is 11 - 5i.

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Acid + base conjugate base + conjugate acid

It depends on what the denominator was to start with: a surd or irrational or a complex number. You need to find the conjugate and multiply the numerator by this conjugate as well as the denominator by the conjugate. Since multiplication is by [conjugate over conjugate], which equals 1, the value is not affected. If a and b are rational numbers, then conjugate of sqrt(b) = sqrt(b) conjugate of a + sqrt(b) = a - sqrt(b), and conjugate of a + ib = a - ib where i is the imaginary square root of -1.

The conjugate acid of H2O is H3O+

Its conjugate acid is H3O+

The conjugate base of water is OH-.

the conjugate 7-2i