9th mathematics exercise question with answer, Mathematics

SURDS EXERCISE – 1.3.4 – Class 9

Find which is larger: (i) 3∛𝟑 and 4∜𝟒 ∛(3×32)                                                        4×424 = ∛27 x ∛3                                                   = ∜256 x ∜4 = ∛81                                                             = ∜1024 = ((81)4)1/12             … Continue reading SURDS EXERCISE – 1.3.4 – Class 9

9th mathematics exercise question with answer, Mathematics

SURDS – EXERCISE – 1.3.4 – Class 9

Find which is larger: (i) 3∛𝟑 and 4∜𝟒 ∛(3×32)                                                        4×424 = ∛27 x ∛3                                                   = ∜256 x ∜4 = ∛81                                                             = ∜1024 = ((81)4)1/12             … Continue reading SURDS – EXERCISE – 1.3.4 – Class 9

9th mathematics exercise question with answer, Mathematics

SURDS EXERCISE 1.3.2 – Class IX

Simplify the following using laws of indices: (i) (16)-0.75 x (64)4/3 (16)-0.75 x (64)4/3                              [16 = 24 ] = (24)-0.75 x (24)4/3                         [64 = 26 ] = 24 x -3/4 x 26 x 4/3 = 2-3 x 28 = 25 = 32   (ii) (0.25)0.5 x (100)-1/2 (0.25)0.5 x (100)-1/2 = (0.25)1/2 x (1/100 )1/2… Continue reading SURDS EXERCISE 1.3.2 – Class IX

9th mathematics exercise question with answer, Mathematics

SURDS – EXERCISE 1.3.2 – Class 9

Simplify the following using laws of indices: (i) (16)-0.75 x (64)4/3 (16)-0.75 x (64)4/3                              [16 = 24 ] = (24)-0.75 x (24)4/3                         [64 = 26 ] = 24 x -3/4 x 26 x 4/3 = 2-3 x 28 = 25 = 32   (ii) (0.25)0.5 x (100)-1/2 (0.25)0.5 x (100)-1/2 = (0.25)1/2 x (1/100 )1/2… Continue reading SURDS – EXERCISE 1.3.2 – Class 9