{"result":{"text":"open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar squared equals 5\nrightwards double arrow a with rightwards arrow on top. b with rightwards arrow on top equals 1 half\nopen vertical bar a with rightwards arrow on top cross times b with rightwards arrow on top close vertical bar squared equals a with rightwards arrow on top squared b with rightwards arrow on top squared minus open parentheses a with rightwards arrow on top. b with rightwards arrow on top close parentheses squared equals 4 minus 1 fourth equals 15 over 4\nrightwards double arrow open vertical bar c with rightwards arrow on top close vertical bar equals open vertical bar a with rightwards arrow on top close vertical bar squared plus 4 open vertical bar b with rightwards arrow on top close vertical bar squared plus 4 open vertical bar a with rightwards arrow on top cross times b with rightwards arrow on top close vertical bar squared plus 4 a with rightwards arrow on top squared. b with rightwards arrow on top squared equals 27"},"status":"ok"}