WebShow that BC is equal to the radius of the circumcircle of ABC whose centre is O. Solution ANSWER: Join OB and OC. ∠ BOC = 2 ∠ BAC (As angle subtended by an arc of a circle at the centre is double the angle subtended by the arc at any point on the circumference) = 2 × 30 ° [∵ ∠ BAC = 30 ° ] = 60 ° ... (i) Consider Δ BOC, we have: OB = OC Web30 mrt. 2024 · Transcript. Question 20 If 𝑎 ⃗, 𝑏 ⃗, 𝑐 ⃗ are three vectors such that 𝑎 ⃗ + 𝑏 ⃗ + 𝑐 ⃗ = 0 ⃗ , then prove that 𝑎 ⃗ × 𝑏 ⃗ = 𝑏 ⃗ × 𝑐 ⃗ = 𝑐 ⃗ × 𝑎 ⃗, and hence show that [𝑎 ⃗" " 𝑏 ⃗" " 𝑐 ⃗ ] = 0.

If a,b,c are vectors such that a.b = a.c, a × b = a × c ... - Toppr Ask

WebIf a+b+c=0, then show that a^3+b^3+c^3=3abc.CLASS-09POLYNOMIALS IMPORTANT PROBLEM WebGive an example of a function from N to N that is a) one-to-one but not onto. b) onto but not one-to-one. c) both onto and one-to-one (but different from the identity function). books by john lescroart in order

If a, b, c are three vectors such that a + b + c = 0, then ... - teachoo

WebIf $$a=b$$; show that $$abc=bac$$. Solution. If $$a=b; b=a$$ Web4 jun. 2014 · If the bisectors of the angles ABC and ACB of a triangle ABC meet at point O then prove that BOC = 90 o + . Asked by Topperlearning User 04 Jun, 2014, 01:23: PM … WebGiven : a=b To show : abc=bac Proof :abc= 100a+10b+c ...(i) (By using property 3) bac= 100b+10a+c ...(ii) (By using property 3) Since, a =b Substitute the value of a=b in … harvest oil \u0026 gas corporation