Important Questions of Complex Numbers and Quadratic Equations Mathematics | Zigya

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsShort Answer Type

Advertisement
51.

Write the conjugates of the following complex numbers :

space space space space space space space square root of negative 16 end root space minus space square root of negative 9 end root space straight i

 

119 Views

52.

If z = -3c + 2yi  and <pre>uncaught exception: <b>mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied</b><br /><br />in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56<br />#0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array)
#1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php(56): mkdir('/home/config_ad...', 493)
#2 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.class.php(110): com_wiris_util_sys_Store->mkdirs()
#3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/RenderImpl.class.php(231): com_wiris_plugin_impl_FolderTreeStorageAndCache->codeDigest('mml=<math xmlns...')
#4 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(59): com_wiris_plugin_impl_RenderImpl->computeDigest(NULL, Array)
#5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array)
#6 {main}</pre>, find values of x and y.

177 Views

53.

If z = -5 + 2i and space space space space top enclose straight z space equals space 5 straight x space minus space 4 yi, find values of x and y.

131 Views

54.

Find the real numbers x and y if (x – iy) (3 + 5i) is the conjugate of –6 – 24i.

128 Views

Advertisement
55.

Z1 = 5 - 3i,     Z2 = 2 +4i, find    Z1 + Z2.

112 Views

56.

Find x and y if : (2x + iy) + (-3 + 2i)  =  3i

115 Views

57.

Find the additive inverse of Z = -3 + 2i.

149 Views

58.
find the multiplicative inverse of Z = 2 -3i.
361 Views

Advertisement
59.

Write the following in the form a + ib.

space space space space space space fraction numerator 1 over denominator 3 space plus space 4 straight i end fraction

118 Views

60.

Write the following in the form a + ib.

space space space space fraction numerator left parenthesis 1 plus straight i right parenthesis squared over denominator 3 minus straight i end fraction


94 Views

Advertisement