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Exercise 2.1 (Solutions) @matric:9th_science:unit_02
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hich of the following are rational and irrational numbers: (i) $\sqrt{3}$ (ii) $\frac{1}{6}$ (iii) $\pi$ ... e false? * (i) $\frac{2}{3}$ is an irrational number. * (ii) $\pi$ is an irrational number. * (iii) $\frac{1}{9}$ is a terminating fraction. * (iv) $\fr... uaton**\\ * (i) $\frac{2}{3}$ is an irrational number. **False** * (ii) $\pi$ is an irrational number
Exercise 2.6 (Solutions) @matric:9th_science:unit_02
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+ i^2) is (-1 + 6i)$\\ (v) Difference of complex numbers $z = a + ib$ and its conjugate is a real number.\\ (vi) If $(a-1)-(b+3)i = 5+8i$, then a = 6 & b = -11\\ (vii) Product of complex number and its conjugate is always a non-negative real number.\\ **Solution**\\ (i) False (ii) False (iii)
Unit 08: Linear Graph and their Application
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udents will be able to: * Identity pair of real numbers as an ordered pair. * Recognize an ordered pai... rectangular or cartesian plane consisting of two number lines interesting at right angles at the point $O
Exercise 2.2 (Solutions) @matric:9th_science:unit_02
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wing blanks by stating the properties of the real numbers used, $$ \begin{array}{cl} 3x + 3(y - x) &= 3x +... ... * (iv) $\sqrt{3} \times \sqrt{3}$ is real number ... .... .... * (v) $\left(\frac{-5}{8} \right
Exercise 2.5 (Solutions) @matric:9th_science:unit_02
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on 2==== * Write the conjugate of the following numbers (i) $2 + 3i$ (ii) $3 - 5i$ (iii) $-i$... rite the real and imaginary part of the following numbers. * (i) $1 + i$ * (ii)