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[#Math Complex Numbers MCQs] 10. Given z1=1+2i and z2=2+3i. The product z1z2 is_________?

[#Math Complex Numbers MCQs] 9. Given z1 = 2+3i and z2 = 5+2i, then which one is z1-z2 ?

8. For a non-zero complex number z, 1/z is _________________

[#Math Complex Numbers MCQs] 7. For any complex number z, -z is _________________

[#Math Complex Numbers MCQs] 6. 1+0i is _________________ for complex number z.

[#Math Complex Numbers MCQs] 5. 0+0i is ______________________for complex number z.

[#Math Complex Numbers MCQs] 4. If z1 = 2+3i and z2 = 5+2i, then find sum of two complex numbers.

[#Math Complex Numbers MCQs] 3. (x+3) + i(y-2) = 5+i2, find the values of x and y.

2. In z=4+i, what is imaginary part?

1. Given the complex number z=4+i, the real part is ________

[Biology Practice MCQs] 50. The moist skin of earthworms, spiracles of grasshoppers, and the mucus membranes lining alveoli are all associated with the process of

[Biology Practice MCQs] 49. All of the following are modes of asexual reproduction EXCEPT

[Biology Practice MCQs] 48. High levels of estrogen from maturing follicles inhibit the release of gonadotropin releasing hormone (GnRH). Which of the following endocrine glands produces GnRH?

[Biology Practice MCQs] 47. When a retrovirus inserted its DNA into the middle of a bacterial gene, it altered the normal reading frame by one base pair. This type of mutation is called

[Biology Practice MCQs] 46. In plants, the tendency of climbing vines to twine their tendrils around a trellis is called

[Biology Practice MCQs] 45. Metafemale syndrome, a disorder in which a female has an extra X chromosome, is the result of nondisjunction. The failure in oogenesis that could produce this would occur in

[Biology Practice MCQs] 44. All of the following statements are true EXCEPT

[Biology Practice MCQs] 43. The primary site of glucose reabsorption is the

[Biology Practice MCQs] 42. All of the following play an important role in regulating respiration in humans EXCEPT