(a) g এর পরিপ্রেক্ষিতে পৃথিবীর গড় ঘনত্ব গণনা করুন। G এবং R. (b) যদি পৃথিবীর মাধ্যাকর্ষণ z হয়...

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Z, X, V, T, R, ….., …..

If z_1, z_2, z_3 are three complex, numbers and A=[[a r g z_1,a r g z_3,a r g z_3],[a r g z_2,a r g z_2,a r g z_1],[a r g z_3,a r g z_1,a r g z_2]] Then A divisible by a r g(z_1+z_2+z_3) b. a r g(z_1, z_2, z_3) c. all numbers d. cannot say

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AZ, CX, FU, ….

Assertion: x-a,y-a,z-a are in G.P., Reason: If a,b,c are in H.P. then a- b/2, b- b/2, c- b/2 are in G.P. (A) Both A and R are true and R is the correct explanation of A (B) Both A and R are true R is not te correct explanation of A (C) A is true but R is false. (D) A is false but R is true.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z BDF, CFI, DHL, ….

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 3F, 6G, 11 I, 18 L, ….

If z is a complex number lying in the fourth quadrant of Argand plane and |[(kz)/(k+1)]+2i|>sqrt(2) for all real value of k(k!=-1), then range of "a r g"(z) is (pi/8,0) b. (pi/6,0) c. (pi/4,0) d. none of these