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Prove that 6i50 + 5i33 – 2i15 + 6i48 = 7i. |
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Answer» Given: 6i50 + 5i33 – 2i15 + 6i48 To prove: 6i50 + 5i33 – 2i15 + 6i48 = 7i ⇒ 6i4×12+2 + 5i4×8+1 – 2i4×3+3 + 6i4×12 ⇒ 6i2 + 5i1 – 2i3 + 6i0 ⇒ -6+5i+2i+6 ⇒ 7i ⇒ L.H.S. = R.H.S. Hence proved. |
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